Annotations: 4NQF

Crystal structure of HEPN domain protein

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e4nqfA1	A: alpha arrays	X: DEATH domain	H: HTH	T: winged helix domain	F:	ECOD (v295)
B	Arylsulfotran_N	e4nqfB1	A: alpha arrays	X: TIM beta/alpha-barrel	H: gamma-Crystallin-like	T: gamma-Crystallin-like	F: Arylsulfotran_N	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.120.330	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Nucleotidyltransferases domain 2	CATH (4.3.0)
B	1.20.120.330	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Nucleotidyltransferases domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05168	HEPN domain (HEPN)	HEPN domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Nucleotidyltransferase	transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007842	HEPN domain	Domain
A, B	IPR043519	Nucleotidyltransferase superfamily	Homologous Superfamily
A, B	IPR002934	Polymerase, nucleotidyl transferase domain	Domain
A, B	IPR052548	Type VII toxin-antitoxin system antitoxin	Family

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